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Round|Natural|GIA

1.01ct G SI2 Round Natural Diamond

VG • G/SI2 • GIA 1559955343

Certificate GIA 1559955343

Diamond specifications and retailer prices

From £1,179 GBP
As of November 4, 2026
Save £2,089 GBP (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £3,268 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 1559955343. Listed at 18 retailers as of November 4, 2026, with prices from £1,179 to £3,268, a £2,089 spread on the same certified stone. NZ Jewellers lists it at £3,268. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.01
Carat
G
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1559955343
Dimensions6.22 × 6.26 × 4.03 mm
L/W Ratio1.01
Top View
6.22 mm6.26 mm1.01 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559955343
Side View
Table 58.0%Crown 36.5°Girdle: STK-THKPavilion 41°Culet: NoneDepth 64.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £3,268 GBP|Low: £1,169 GBP|High: £3,268 GBP|Avg: £1,767 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 16£1,179 GBP
Retailer 12£1,187 GBP
Retailer 15£1,393 GBP
Retailer 5£1,412 GBP
Retailer 2£1,434 GBP
Retailer 6£1,537 GBP
Retailer 4£1,563 GBP
Retailer 17£1,563 GBP
Retailer 10£1,635 GBP
Retailer 9£1,638 GBP
Retailer 18£1,666 GBP
Retailer 11£1,688 GBP
Retailer 3£1,714 GBP
Retailer 8£1,804 GBP
Retailer 13£2,009 GBP
Retailer 7£2,278 GBP
Retailer 14£2,731 GBP
NZ Jewellers£3,268 GBP

25 data points across 18 retailers

18 retailers£1,179 GBP to £3,268 GBP

A
Cheapest Retailer
-
£1,179 GBP
A
Retailer 2
-
£1,187 GBP
View
A
Retailer 3
-
£1,393 GBP
View
A
Retailer 4
-
£1,412 GBP
View
A
Retailer 5
-
£1,434 GBP
View
A
Retailer 6
-
£1,537 GBP
View
A
Retailer 7
-
£1,563 GBP
View
Retailer 8
-
£1,563 GBP
View
Price last confirmed 8 days ago
A
Retailer 9
-
£1,635 GBP
View
Retailer 10
-
£1,638 GBP
View
Price last confirmed 11 days ago
A
Retailer 11
-
£1,666 GBP
View
A
Retailer 12
-
£1,688 GBP
View
A
Retailer 13
-
£1,714 GBP
View
A
Retailer 14
-
£1,804 GBP
View
B+
Retailer 15
-
£2,009 GBP
View
B+
Retailer 16
-
£2,278 GBP
View
B+
Retailer 17
-
£2,731 GBP
View
Most Expensive
B
NZ Jewellers
74968375-cefe-4ff0-b76b-3330e02d84f7 · Nov 5
£3,268 GBP
$4,398 USD
View
17 more retailers have this diamond
Prices start from £1,179 GBPSave up to £2,089 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.01ct Round
£1,179 GBP